#include "stdafx.h"
#include <iostream>

using namespace std;
void enterData(int numbers[], int &size);
void multiplicationInRange(int numbers[], int size);
void notZeroSumZeroCount(int numbers[], int size);

void main()
{
    int numbers[18];
    int size = 0;

    while (true)
    {
        int option;
        cout << "Izberi 1 za vavezdane na razmernost i chisla" << endl;
        cout << "Izberi 2 za namirane na proizvedenie ot polozitelni chisla v daden interval" << endl;
        cout << "Izberi 3 za suma ot nenulevi i broj nulevi." << endl;
        cin >> option;

        switch (option)
        {
        case 1:
            enterData(numbers, size);
            break;
        case 2:
            multiplicationInRange(numbers, size);
            break;
        case 3:
            notZeroSumZeroCount(numbers, size);
            break;

        default:
            cout << "Nevaliden vhod" << endl;
        }
    }
}

void enterData(int numbers[], int &size)
{
    cout << "Broj chisla: ";
    cin >> size;

    while (size < 0 || size > 18)
    {
        cout << "Nevaliden razmer!" << endl;
        cout << "Vavedi razmer otnovo: ";
        cin >> size;
    }


    for (int i = 0; i < size; i++)
    {
        cin >> numbers[i];
    }
}

void multiplicationInRange(int numbers[], int size)
{
    int min;
    cout << "Min: ";
    cin >> min;

    int max;
    cout << "Max: ";
    cin >> max;

    int multiply = 1;

    for (int i = 0; i < size; i++)
    {
        if (numbers[i] >= min && numbers[i] <= max && numbers[i] > 0)
        {
            multiply *= numbers[i];
        }
    }

    cout << "Proizvedenie: " << multiply << endl;
}

void notZeroSumZeroCount(int numbers[], int size)
{
    int sum = 0;
    int count = 0;

    for (int i = 0; i < size; i++)
    {
        if (numbers != 0)
        {
            sum += numbers[i];
        }

        else
        {
            count++;
        }
    }

    cout << "Suma: " << sum << endl;
    cout << "Broj: " << count << endl;
}